A novel variable optical attenuator based on fiber Sagnac interferometer

Shuyang Hu; Shiya He; Tao Liu; Kuanxin Yu; Jinfeng Zhou

doi:10.1117/12.758635

8 January 2008 A novel variable optical attenuator based on fiber Sagnac interferometer

Shuyang Hu, Shiya He, Tao Liu, Kuanxin Yu, Jinfeng Zhou

Proceedings Volume 6838, Optoelectronic Devices and Integration II; 683824 (2008) https://doi.org/10.1117/12.758635
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

A novel variable optical attenuator (VOA) based on fiber Sagnac interferometer is proposed and demonstrated. This VOA is constructed with a 3dB coupler and a polarization controller. By tuning the polarization controller, the output power can be adjusted easily. With the advantage of all fiber design, simple structure and essentially polarization independent, The VOA has an attenuation range more than 20dB, a wavelength ripple of 0.07 and its insertion loss is lees than 0.7dB.

Citation Download Citation

Shuyang Hu, Shiya He, Tao Liu, Kuanxin Yu, and Jinfeng Zhou "A novel variable optical attenuator based on fiber Sagnac interferometer", Proc. SPIE 6838, Optoelectronic Devices and Integration II, 683824 (8 January 2008); https://doi.org/10.1117/12.758635

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